Point Quantity of Apples Quantity of Peaches Point A 0 Apples 500 Peaches Point B 100 Apples 450 Peaches Point C 200 Apples 350 Peaches Point D 300 Apples 200 Peaches Point E 400 Apples 0 Peaches Refer to the PPF above. When moving from Point C to Point D, the opportunity cost of producing an additional apple is ____ peach(es).

Refer to the graph above. It depicts France’s and the Netherlands’ PPFs between butter and cheese. The opportunity cost of producing an additional pound of cheese in France is ____. 

Refer to the graph above. It depicts the market demand and supply for video streaming services. When the price of a subscription is $30, consumer surplus is ____, and producer surplus is ____.  

Patricia can produce either 15 arepas or 12 empanadas. Her opportunity cost of producing an additional arepa is ____.

Price Quantity of Rivian Trucks Demanded $100,000 400 trucks $80,000 500 trucks $60,000 600 trucks $40,000 700 trucks $20,000 800 trucks Refer to the table above. It depicts the demand for Rivian electric pick-up trucks. The current price of a truck is $50,000. The consumer surplus generated by the 500th truck is ____. 

Pasta and rice are substitutes, and the price of rice rises. Simultaneously, the price of flour used to make pasta falls. Which of the following MUST be true?

Price Quantity of Rivian Trucks Demanded $100,000 400 trucks $80,000 500 trucks $60,000 600 trucks $40,000 700 trucks $20,000 800 trucks Refer to the table above. It depicts the demand for Rivian electric pick-up trucks. The current price of a truck is $30,000. The consumer surplus generated by the 500th truck is ____. 

Roasted peanuts and peanut butter are substitutes in production, and the price of peanut butter rises. At the initial equilibrium price of roasted peanuts, there is now a ____ of roasted peanuts, and the price of roasted peanuts will ____ in response. 

Refer to the graph above. It depicts France’s and the Netherlands’ PPFs between butter and cheese. We observe that ____ has an absolute advantage in producing butter, and ____ has a comparative advantage in producing butter.

Why would fungi and bacteria be important pioneer organisms to have during succession?